EP 1635210 B1 20071010 - Optical pickup having holographic element for correcting aberrations of a mirror and optical pickup apparatus employing the same
Title (en)
Optical pickup having holographic element for correcting aberrations of a mirror and optical pickup apparatus employing the same
Title (de)
Optischer Lesekopf mit einem holographischen Element zur Korrektur von Aberrationen eines Spiegels und optisches Aufnahmegerät mit diesem System
Title (fr)
Tête de lecture optique comprenant un élément holographique corrigeant l'aberration d'un miroir et appareil de lecture optique utilisant ce système
Publication
Application
Priority
KR 20040072087 A 20040909
Abstract (en)
[origin: US2006049330A1] An optical system including a light source that generates light, a mirror changing an optical path of the light generated by the light source and an aberration correcting element that corrects aberrations generated in the light reflected from the mirror due to an error in the surface shape of the mirror.
IPC 8 full level
G02B 27/00 (2006.01); G02B 5/32 (2006.01); G11B 7/135 (2006.01)
CPC (source: EP KR US)
G02B 27/0037 (2013.01 - EP US); G02B 27/4211 (2013.01 - EP US); G02B 27/4216 (2013.01 - EP US); G02B 27/4255 (2013.01 - EP US); G02B 27/4261 (2013.01 - EP US); G02B 27/4272 (2013.01 - EP US); G02B 27/4277 (2013.01 - EP US); G11B 7/1353 (2013.01 - EP KR US); G11B 7/1362 (2013.01 - EP US); G11B 7/13922 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
US 2006049330 A1 20060309; US 7345267 B2 20080318; DE 602005002809 D1 20071122; DE 602005002809 T2 20080710; EP 1635210 A2 20060315; EP 1635210 A3 20060322; EP 1635210 B1 20071010; JP 2006079815 A 20060323; JP 4185517 B2 20081126; KR 100634511 B1 20061013; KR 20060023293 A 20060314
DOCDB simple family (application)
US 20684105 A 20050819; DE 602005002809 T 20050628; EP 05254004 A 20050628; JP 2005262145 A 20050909; KR 20040072087 A 20040909